{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "cell line", "DNA"], "input": "Cotransfection studies with this cDNA indicate that it can repress basal promoter activity ."}
{"cell type": [], "protein": [], "cell line": [], "DNA": ["cDNA", "basal promoter"]}